transition-property：all | none | <property>[ ,<property> ]
html{background: radial-gradient(circle at 0% 50%, rgba(96, 16, 48, 0) 9px, #613 10px, rgba(96, 16, 48, 0) 11px) 0px 10px,
radial-gradient(at 100% 100%,      rgba(96, 16, 48, 0) 9px, #613 10px, rgba(96, 16, 48, 0) 11px),
#8a3;
background-size: 20px 20px;;}
*{margin: 0;padding: 0}
body{font-family: "å¾®è½¯é›…é»‘";font-size: 100%;color: #ADADAD}
ul{list-style: none;}
img{border:none;}

.head_wrap {
	position: fixed;
	width: 100%;
	z-index: 222;
	height: 92px;
	top: 0;
	
}

* {
	margin: 0;
	padding: 0;
}

.head {
	vertical-align: top;
	background: rgb(0, 0, 0);
	height: 75px;
	width: 100%;
	opacity: 0.8;
	filter: alpha(opacity=75);
	padding-top: 15px;
	position: relative;
	box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.5);
	text-align: center;
	padding-bottom: 10px;
	transition:opacity ;
}
.head:hover{opacity:0.9}

.box1 {
	position: absolute;
	color: #8e8e8e;
	
	bottom: 5px;
	font-family: HUM521L;
	width: 100%;
	

}


.nav {
	width: 80%;
	text-align: center;
	margin: auto;
	min-width: 320px;
}

.nav a {

	
	font-size: 0.9em;
	color: #898989;
	text-decoration: none;
	margin-left: 15%;
	transition-property:font-size ;
	transition-duration:1s ;
transition-property：all | none | <property>[ ,<property>
	
}
.nav a hover{
	
font-size:2em ;}
